Minimum detectable risk ratio with an overall sample size of n=4822, 80% power and probability of a type 1 error at 5%
| Prevalence of outcome | |||||
| 10% | 20% | 30% | 40% | ||
| Proportion of control sample exposed | 0.1 | 1.43 | 1.32 | 1.28 | 1.26 |
| 0.2 | 1.28 | 1.21 | 1.18 | 1.17 | |
| 0.3 | 1.21 | 1.16 | 1.14 | 1.13 | |
| 0.4 | 1.17 | 1.12 | 1.11 | 1.10 | |
| 0.5 | 1.13 | 1.10 | 1.09 | 1.08 | |